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| Phone | Sanyo RL-4920 | Siemens CX75 | Samsung M520 | Motorola i580 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
2.1" diag. 4 : 3 |
? |
| Display Resolution & Type |
128 x 112 pixels LCD (Color) |
132 x 176 pixels LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,700 mAh | 750 mAh | ? | ? |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | 1 megapixel | 1 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | ? | ? |
| Front Camera | - | - | - | - |
| Weight |
4.03 oz (114g) |
3.46 oz (98g) |
2.75 oz (78g) |
4.9 oz (139g) |
| Dimensions |
4.22" x 1.85" x 0.85" (107 x 47 x 21.6 mm) |
4.33" x 1.88" x 0.74" (110 x 48 x 18.8 mm) |
4.01" x 2.04" x 0.5" (102 x 52 x 12.7 mm) |
3.68" x 2.2" x 1.2" (93 x 56 x 30.5 mm) |
| Form Factor | Slab | Slab | Slide | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 |
iDEN: 800 |
| Data Technology | 1xRTT | GPRS | EVDO r0 | WiDEN |
| Features | ||||
| GPS / Location | Yes | - | Yes | Yes |
| Ruggedized | - | - | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M4 (very compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| USB | Yes | Yes | Yes | - |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | Yes |
| Ringer ID | Yes | Yes | Yes | Yes |
| Voice Dialing | Yes | - | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Data & Network | ||||
| Data Tethering | - | Yes | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | Yes | - | - |
| EMS / Picture Messaging | - | Yes | - | - |
| MMS | - | Yes | - | Yes |
| Text Messaging Templates | - | - | Yes | Yes |
| Music | ||||
| Music Player | - | Yes | Yes | Yes * |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | - |
| Calculator | Yes | Yes | Yes | Yes * |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | Yes | Yes | Yes | - |
| Voice Memo | Yes | Yes | Yes | Yes |
| Software | ||||
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | Yes | Yes | Yes | Yes |
| Voice | ||||
| Call Screening | Yes | - | - | - |
| Headset Jack (2.5 mm) | Yes | - | - | Yes |
| Push-To-Talk | Yes | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Sanyo RL-4920 | Siemens CX75 | Samsung M520 | Motorola i580 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sanyo RL-4920 | Siemens CX75 | Samsung M520 | Motorola i580 |
